Liquid sampling apparatus



FIG. 1 is a top, front, left side perspective view of a liquid sampling apparatus;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevational view thereof; and,

FIG. 6 is a bottom, rear, right side perspective view thereof. 

The ornamental design for a liquid sampling apparatus, as shown. 